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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
M C 2 .1K W
M C 2 .1K W
P O W E R A M P L I F I E R
O W N E R ' S M A N U A L

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Summary of Contents for McIntosh MC2.1KW

  • Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com M C 2 .1K W M C 2 .1K W P O W E R A M P L I F I E R O W N E R ’ S M A N U A L...
  • Page 2: Table Of Contents

    Thank You from all of us at McIntosh Table of Contents Introduction Thank You from all of us at McIntosh ..2 The McIntosh MC2.1KW Monoblock Power You have invested in a precision instrument that Amplifier is the ultimate power in home audio will provide you with many years of enjoyment.
  • Page 3: General Information

    M C 2 . 1 K W General Information 1. The MC2.1KW Power Module weight is 145 5. In the event that either or both MC2.1KW 8. It is important to keep your McIntosh unit out pounds (65.8 kilograms) and the MC2.1KW...
  • Page 4: Performance Features

    • Independent Power Supplies the Power Module output stage and loudspeaker peak current of 200 amperes and over 8,000 The MC2.1KW Output Module uses a low noise loads of 2, 4, and 8 ohms. The Autoformer Watts of power output on music bursts.
  • Page 5: Dimensions

    M C 2 . 1 K W Dimensions 17 15/16” 17 15/16” 45.6cm 45.6cm 17 11/16” 17 11/16” 44.9cm 44.9cm 12 5/32” -80V +80V +80V -80V 30.9cm 10 7/8” 10 7/8” 67,000 67,000 67,000 67,000 27.6cm 27.6cm JOULES JOULES JOULES JOULES M E T E R P O W E R...
  • Page 6 Dimensions (continued) 1 5/8” 15 1/4” 1 5/8” 15 1/4” 3 31/32” 3 3/8” 3 31/32” 3 3/8” 4.1cm 38.7cm 4.1cm 38.7cm 10.1cm 8.6cm 10.1cm 8.6cm 23 3/16” 7” 23 3/16” 7” 58.9cm 17.8cm 58.9cm 17.8cm...
  • Page 7 IN 2 ENABLE CIRCUIT ON / METER BREAKER MC2.1KW POWER MODULE McINTOSH LABORATORY, INC. BINGHAMTON, NY UNBAL UNBAL DISABLE HANDCRAFTED IN USA WITH US AND IMPORTED PARTS C C A A U U T T I I O O N N...
  • Page 8: Front Panels

    Front Panels -80V +80V +80V -80V 67,000 67,000 67,000 67,000 JOULES JOULES JOULES JOULES M E T E R P O W E R POWER GUARD W A T T S I N P U T 1 L I G H T S H O L D O F F / I N P U T 2...
  • Page 9 LIGHT CONTROL switch on the is a power control connection. Refer to pages 14 tion being used, the MC2.1KW will be off in this rear panel of the Power Module. Refer to Rear and 15 for making a power control connection.
  • Page 10: Rear Panels

    IN 2 CIRCUIT ON / METER ENABLE BREAKER MC2.1KW POWER MODULE McINTOSH LABORATORY, INC. BINGHAMTON, NY UNBAL UNBAL DISABLE HANDCRAFTED IN USA WITH US AND IMPORTED PARTS C C A A U U T T I I O O N N...
  • Page 11 MC2.1KW. Multiple pairs of Module. The Output Module can be connected to the IN connection will turn the MC2.1KW on and outputs (A, B and C) are provided for bi-wiring or an AC circuit with another Output Module or other select INPUT 1.
  • Page 12: Connecting The Modules

    INDICATOR Each MC2.1KW Power Module must be properly Inserting and Locking the Cables connected to the MC2.1KW Output Module for the 1. Align the indicator on the cable connector with 3. Gently insert the cable system to operate. Two 30 Pin Interconnect Cables the indicator on the receptacle.
  • Page 13: Connecting The Cables

    Power Module rear panel. 3. Connect this same cable to the 30 Pin Receptacle (Green Ring) on the back of the MC2.1KW Output Module that is labeled 4. Connect one 8 Pin Interconnect Cable (Blue Ring) to the 8 Pin Receptacle (Blue Ring) on the back of the Power Module rear panel.
  • Page 14: Connecting A Single Preamplifier

    Connecting a Single Preamplifier When connecting a preamplifier to the MC2.1KW use connectors with the pin PREAMPLIFIER configurations shown below. XLR Connectors RCA Connectors OUTPUT 2 (SUBWOOFER) MAIN / HIGH PASS OUTPUT 1 / LOW PASS CAUTION BAL R BAL L...
  • Page 15: Connecting Two Preamplifiers

    M C 2 . 1 K W Connecting Two Preamplifiers PREAMPLIFIER 2 PREAMPLIFIER 1 MAIN / HIGH PASS OUTPUT 1 / LOW PASS OUTPUT 2 (SUBWOOFER) MAIN / HIGH PASS OUTPUT 1 / LOW PASS OUTPUT 2 (SUBWOOFER) CAUTION CAUTION BAL R BAL L BAL R...
  • Page 16: Connecting A Loudspeaker

    Connecting a Loudspeaker Loudspeaker Impedance Output Terminal Covers The MC2.1KW has three sets of output terminals, To gain access to the output terminals, use the ±2 ohm, ±4 ohm, and ±8 ohm. Based on the supplied 1/8 in Hex T-Handle to remove the four...
  • Page 17: Loudspeaker Cable Connections

    4. Rotate the top of the output terminal clockwise until it is finger tight. 5. Place the McIntosh wrench over the top of the output terminal and rotate the output terminal clockwise one quarter of a turn (90°). Do not over tighten.
  • Page 18: System Specifications

    20Hz to 20,000Hz 34dB, 8 ohms 240 Volts, 50/60Hz at 6.5 amps 31dB, 4 ohms Dynamic Headroom Refer to the rear panel of the MC2.1KW Power 28dB, 2 ohms Module for the correct voltage. 2.1dB Power Control Input Overall Dimensions...
  • Page 19: Packing Instructions

    Trademarks of McIntosh Laboratory, Inc.: The following are Registered Trademarks of McIntosh Laboratory, Inc. in multiple jurisdictions around the world: the written McIntosh logo; the McIntosh Globe logo; the Mc logo; Power Guard; Power Guard Screen Grid Sensor; Power Guard SGS; LD/HP; Dynamic Power Manager; the 4DPM8 logo; HXD; the HXD logo; Behind The Sound; Legendary Performance.
  • Page 20 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com The continuous improvement of its products is the policy of McIntosh Laboratory, Inc. who reserve the right to improve design without notice. Printed in the U.S.A. © 2024 McIntosh Laboratory, Inc. McIntosh Part No. 24123700...

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